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Châteaubriant (Pays de la Loire) (FR)

Air Quality Trend (last 7 days)

Good (0-50)
Moderate (51-100)
Unhealthy for Sensitive Groups (101-150)
Unhealthy (151-200)
Very Unhealthy (201-300)
Hazardous (300+)

Weather - 48h MET Norway

Cloudy
11°C
Cloudy
Humidity
82%
Wind
6 m/s
Pressure
1003.4 hPa
Direction
257°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
3° / 12°
Precip.
0.1mm
Max wind
6.3 m/s

Hourly Forecast

01.02
Now
Weather
11°
6
01.02
12:00
Weather
11°
5
01.02
13:00
Weather
11°
0.1
6
01.02
14:00
Weather
12°
6
01.02
15:00
Weather
11°
01.02
16:00
Weather
11°
01.02
17:00
Weather
01.02
18:00
Weather
01.02
19:00
Weather
01.02
20:00
Weather
01.02
21:00
Weather
01.02
22:00
Weather
01.02
23:00
Weather
02.02
00:00
Weather
02.02
01:00
Weather
02.02
02:00
Weather
02.02
03:00
Weather
02.02
04:00
Weather
02.02
05:00
Weather
02.02
06:00
Weather
02.02
07:00
Weather
02.02
08:00
Weather
5
02.02
09:00
Weather
5
02.02
10:00
Weather
6

Temperature

12°C
3°C
11:00
11°C
12:00
11°C
13:00
11°C
14:00
12°C
15:00
11°C
16:00
11°C
17:00
9°C
18:00
9°C
19:00
7°C
20:00
5°C
21:00
5°C
22:00
4°C
23:00
4°C
00:00
3°C
01:00
3°C
02:00
3°C
03:00
4°C
04:00
5°C
05:00
5°C
06:00
5°C
07:00
5°C
08:00
6°C
09:00
7°C
10:00
7°C
11:00 22:00 10:00

Precipitation

0.1mm
0mm
13:00
0.1mm
11:00 22:00 10:00

Wind

6.3m/s
0m/s
11:00
6.3 m/s
12:00
5.3 m/s
13:00
6.3 m/s
14:00
6.2 m/s
15:00
4.9 m/s
16:00
3.7 m/s
17:00
3.2 m/s
18:00
4.2 m/s
19:00
2.3 m/s
20:00
1.8 m/s
21:00
1 m/s
22:00
0.6 m/s
23:00
0.9 m/s
00:00
1.5 m/s
01:00
1.9 m/s
02:00
2.6 m/s
03:00
3.3 m/s
04:00
4 m/s
05:00
4.1 m/s
06:00
4.3 m/s
07:00
4.8 m/s
08:00
5.1 m/s
09:00
5.2 m/s
10:00
6 m/s
11:00 22:00 10:00

Radiation

0.071 uSv
51.3 km
8.9%

Measurement time: 2026-02-01 09:00

source: remap_europe

We display the worst measurements from all stations in the area. This approach provides a more cautious assessment of air quality, accounting for local pollution sources.

AQI
56.2 km
136
45.3%

Measurement time: 2026-02-01 12:00

Calculated from PM2.5/PM10

PM2.5
56.2 km
50 µg/m3
59.5%

Measurement time: 2026-02-01 12:00

source: Aqicn

O3
92.4 km
84.73 µg/m3
53%

Measurement time: 2026-02-01 10:38

source: OpenWeatherMap

PM10
56.2 km
26 µg/m3
18.6%

Measurement time: 2026-02-01 12:00

source: Aqicn

NO2
56.2 km
2.2 µg/m3
1.1%

Measurement time: 2026-02-01 12:00

source: Aqicn

CO
92.4 km
0.1315 mg/m3
0.9%

Measurement time: 2026-02-01 10:38

source: OpenWeatherMap

SO2
92.4 km
0.37 µg/m3
0.1%

Measurement time: 2026-02-01 10:38

source: OpenWeatherMap

Info


Country: France
Latitude: 47.71667
Longitude: -1.38333

About Air Quality in Châteaubriant

Air quality in Châteaubriant is monitored in real-time by sensors and measurement stations. On this page you'll find current data on major air pollutants including particulate matter PM2.5 and PM10, nitrogen dioxide (NO2), ozone (O3), and radiation levels.

Common Pollutants in Châteaubriant

  • PM2.5 - fine particulate matter up to 2.5 micrometers, particularly harmful to health
  • PM10 - particulate matter up to 10 micrometers from traffic and industry
  • NO2 - nitrogen dioxide mainly emitted by vehicles
  • O3 - tropospheric ozone formed in photochemical reactions

When is Air Quality Best in Châteaubriant?

Generally, the best air quality occurs:

  • Early morning (5:00-7:00 AM) before rush hour traffic
  • After rainfall which cleanses the atmosphere
  • During strong winds that disperse pollutants
  • In summer months when heating systems are less used

Tips for Runners in Châteaubriant

If you're planning outdoor activities in Châteaubriant, always check the current AQI value. When AQI exceeds 100, consider moving your workout indoors or shortening the distance. People with respiratory issues, children, and seniors should be especially cautious during elevated pollution levels. Choose routes away from busy streets and industrial areas.